Update comment-with-checklist.yml

Linking item to review checklist in handbook

.github/workflows/comment-with-checklist.yml

@@ -92,7 +92,7 @@ jobs:
             - [ ] Gather any relevant links to Support, Docs, or related material
             - [ ] Description and Objectives finalized
             - [ ] Lesson created and announced to the team for review
-            - [ ] Lesson reviewed
+            - [ ] [Lesson reviewed](https://make.wordpress.org/training/handbook/training-team-how-to-guides/guidelines-for-reviewing-content-on-learn/#are-you-reviewing-content-before-it-is-published)
             - [ ] Lesson video submitted and published to WPTV
             - [ ] Lesson created on Learn.WordPress.org
             - [ ] Lesson video published to YouTube